Khoj AI is an open-source tool designed to function as a “second brain” for users, combining document searching, chatting, and AI capabilities. The name “Khoj” means “search” in Hindi, reflecting its primary focus on document interaction and retrieval. Khoj AI stands out from similar tools by focusing on document interaction and offering a balance between local operation and powerful AI capabilities. It’s particularly useful for users who want to chat with and search through their personal document collections locally, without having to upload them online.